Types of Salt : There are mainly five types :

1) Saindhava Lavana ( Rock Salt ) : It is considered best among all the salts

2) Samudra Lavana ( Common Salt )

3) Bida Lavana ( a type of Black Salt )

4) Sauvarchala Lavana ( Potassium nitrate )

5) Romaka Lavana ( Earthern salt )

Sodium and Chloride are the major components of salt along with other minerals. They regulate the fluid balance of body , helps maintain acid base level , proper nerve conduction , muscular activity , blood pressure and movement of water between fluid compartments .